package chap3;
//******************************************************************************************************************
//          PP3_1.java              Author:GK
//
//          用户名首字母和姓氏前五个字母及10-99的随机数组成的字符串
//******************************************************************************************************************

import java.security.SecureRandom;
import java.util.Scanner;
import java.util.Random;

public class PP3_1 {
    public static void main(String[] args) {
     String a,b,result;
     int num1;

     Random generator = new Random();
     Scanner scan = new Scanner(System.in );

        System.out.println("请输入用户名：");
        a = scan.nextLine();

        System.out.println("请输入姓氏：");
        b = scan.nextLine();

        char c = a.charAt(0);
        String  d = b.substring(0, 5 );
        num1 = generator.nextInt(90) + 10;

        result = c + d + num1;
        System.out.println(result);



    }
}
